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/*
example.js
 
quickstart example
 
instruction
    1. save this script as example.js
    2. run the shell command:
        $ npm install npmtest-shaka-player && PORT=8081 node example.js
    3. play with the browser-demo on http://127.0.0.1:8081
*/
 
 
 
/* istanbul instrument in package npmtest_shaka_player */
/*jslint
    bitwise: true,
    browser: true,
    maxerr: 8,
    maxlen: 96,
    node: true,
    nomen: true,
    regexp: true,
    stupid: true
*/
(function () {
    'use strict';
    var local;
 
 
 
    // run shared js-env code - pre-init
    (function () {
        // init local
        local = {};
        // init modeJs
        local.modeJs = (function () {
            try {
                return typeof navigator.userAgent === 'string' &&
                    typeof document.querySelector('body') === 'object' &&
                    typeof XMLHttpRequest.prototype.open === 'function' &&
                    'browser';
            } catch (errorCaughtBrowser) {
                return module.exports &&
                    typeof process.versions.node === 'string' &&
                    typeof require('http').createServer === 'function' &&
                    'node';
            }
        }());
        // init global
        local.global = local.modeJs === 'browser'
            ? window
            : global;
        // init utility2_rollup
        local = local.global.utility2_rollup || (local.modeJs === 'browser'
            ? local.global.utility2_npmtest_shaka_player
            : global.utility2_moduleExports);
        // export local
        local.global.local = local;
    }());
    switch (local.modeJs) {
 
 
 
    // post-init
    // run browser js-env code - post-init
    /* istanbul ignore next */
    case 'browser':
        local.testRunBrowser = function (event) {
            Eif (!event || (event &&
                    event.currentTarget &&
                    event.currentTarget.className &&
                    event.currentTarget.className.includes &&
                    event.currentTarget.className.includes('onreset'))) {
                // reset output
                Array.from(
                    document.querySelectorAll('body > .resettable')
                ).forEach(function (element) {
                    switch (element.tagName) {
                    case 'INPUT':
                    case 'TEXTAREA':
                        element.value = '';
                        break;
                    default:
                        element.textContent = '';
                    }
                });
            }
            switch (event && event.currentTarget && event.currentTarget.id) {
            case 'testRunButton1':
                // show tests
                Eif (document.querySelector('#testReportDiv1').style.display === 'none') {
                    document.querySelector('#testReportDiv1').style.display = 'block';
                    document.querySelector('#testRunButton1').textContent =
                        'hide internal test';
                    local.modeTest = true;
                    local.testRunDefault(local);
                // hide tests
                } else {
                    document.querySelector('#testReportDiv1').style.display = 'none';
                    document.querySelector('#testRunButton1').textContent = 'run internal test';
                }
                break;
            // custom-case
            default:
                break;
            }
            Iif (document.querySelector('#inputTextareaEval1') && (!event || (event &&
                    event.currentTarget &&
                    event.currentTarget.className &&
                    event.currentTarget.className.includes &&
                    event.currentTarget.className.includes('oneval')))) {
                // try to eval input-code
                try {
                    /*jslint evil: true*/
                    eval(document.querySelector('#inputTextareaEval1').value);
                } catch (errorCaught) {
                    console.error(errorCaught);
                }
            }
        };
        // log stderr and stdout to #outputTextareaStdout1
        ['error', 'log'].forEach(function (key) {
            console[key + '_original'] = console[key];
            console[key] = function () {
                var element;
                console[key + '_original'].apply(console, arguments);
                element = document.querySelector('#outputTextareaStdout1');
                Iif (!element) {
                    return;
                }
                // append text to #outputTextareaStdout1
                element.value += Array.from(arguments).map(function (arg) {
                    return typeof arg === 'string'
                        ? arg
                        : JSON.stringify(arg, null, 4);
                }).join(' ') + '\n';
                // scroll textarea to bottom
                element.scrollTop = element.scrollHeight;
            };
        });
        // init event-handling
        ['change', 'click', 'keyup'].forEach(function (event) {
            Array.from(document.querySelectorAll('.on' + event)).forEach(function (element) {
                element.addEventListener(event, local.testRunBrowser);
            });
        });
        // run tests
        local.testRunBrowser();
        break;
 
 
 
    // run node js-env code - post-init
    /* istanbul ignore next */
    case 'node':
        // export local
        module.exports = local;
        // require modules
        local.fs = require('fs');
        local.http = require('http');
        local.url = require('url');
        // init assets
        local.assetsDict = local.assetsDict || {};
        /* jslint-ignore-begin */
        local.assetsDict['/assets.index.template.html'] = '\
<!doctype html>\n\
<html lang="en">\n\
<head>\n\
<meta charset="UTF-8">\n\
<meta name="viewport" content="width=device-width, initial-scale=1">\n\
<title>{{env.npm_package_name}} (v{{env.npm_package_version}})</title>\n\
<style>\n\
/*csslint\n\
    box-sizing: false,\n\
    universal-selector: false\n\
*/\n\
* {\n\
    box-sizing: border-box;\n\
}\n\
body {\n\
    background: #dde;\n\
    font-family: Arial, Helvetica, sans-serif;\n\
    margin: 2rem;\n\
}\n\
body > * {\n\
    margin-bottom: 1rem;\n\
}\n\
.utility2FooterDiv {\n\
    margin-top: 20px;\n\
    text-align: center;\n\
}\n\
</style>\n\
<style>\n\
/*csslint\n\
*/\n\
textarea {\n\
    font-family: monospace;\n\
    height: 10rem;\n\
    width: 100%;\n\
}\n\
textarea[readonly] {\n\
    background: #ddd;\n\
}\n\
</style>\n\
</head>\n\
<body>\n\
<!-- utility2-comment\n\
<div id="ajaxProgressDiv1" style="background: #d00; height: 2px; left: 0; margin: 0; padding: 0; position: fixed; top: 0; transition: background 0.5s, width 1.5s; width: 25%;"></div>\n\
utility2-comment -->\n\
<h1>\n\
<!-- utility2-comment\n\
    <a\n\
        {{#if env.npm_package_homepage}}\n\
        href="{{env.npm_package_homepage}}"\n\
        {{/if env.npm_package_homepage}}\n\
        target="_blank"\n\
    >\n\
utility2-comment -->\n\
        {{env.npm_package_name}} (v{{env.npm_package_version}})\n\
<!-- utility2-comment\n\
    </a>\n\
utility2-comment -->\n\
</h1>\n\
<h3>{{env.npm_package_description}}</h3>\n\
<!-- utility2-comment\n\
<h4><a download href="assets.app.js">download standalone app</a></h4>\n\
<button class="onclick onreset" id="testRunButton1">run internal test</button><br>\n\
<div id="testReportDiv1" style="display: none;"></div>\n\
utility2-comment -->\n\
\n\
\n\
\n\
<label>stderr and stdout</label>\n\
<textarea class="resettable" id="outputTextareaStdout1" readonly></textarea>\n\
<!-- utility2-comment\n\
{{#if isRollup}}\n\
<script src="assets.app.js"></script>\n\
{{#unless isRollup}}\n\
utility2-comment -->\n\
<script src="assets.utility2.rollup.js"></script>\n\
<script src="jsonp.utility2._stateInit?callback=window.utility2._stateInit"></script>\n\
<script src="assets.npmtest_shaka_player.rollup.js"></script>\n\
<script src="assets.example.js"></script>\n\
<script src="assets.test.js"></script>\n\
<!-- utility2-comment\n\
{{/if isRollup}}\n\
utility2-comment -->\n\
<div class="utility2FooterDiv">\n\
    [ this app was created with\n\
    <a href="https://github.com/kaizhu256/node-utility2" target="_blank">utility2</a>\n\
    ]\n\
</div>\n\
</body>\n\
</html>\n\
';
        /* jslint-ignore-end */
        Iif (local.templateRender) {
            local.assetsDict['/'] = local.templateRender(
                local.assetsDict['/assets.index.template.html'],
                {
                    env: local.objectSetDefault(local.env, {
                        npm_package_description: 'the greatest app in the world!',
                        npm_package_name: 'my-app',
                        npm_package_nameAlias: 'my_app',
                        npm_package_version: '0.0.1'
                    })
                }
            );
        } else {
            local.assetsDict['/'] = local.assetsDict['/assets.index.template.html']
                .replace((/\{\{env\.(\w+?)\}\}/g), function (match0, match1) {
                    // jslint-hack
                    String(match0);
                    switch (match1) {
                    case 'npm_package_description':
                        return 'the greatest app in the world!';
                    case 'npm_package_name':
                        return 'my-app';
                    case 'npm_package_nameAlias':
                        return 'my_app';
                    case 'npm_package_version':
                        return '0.0.1';
                    }
                });
        }
        // run the cli
        Eif (local.global.utility2_rollup || module !== require.main) {
            break;
        }
        local.assetsDict['/assets.example.js'] =
            local.assetsDict['/assets.example.js'] ||
            local.fs.readFileSync(__filename, 'utf8');
        // bug-workaround - long $npm_package_buildCustomOrg
        /* jslint-ignore-begin */
        local.assetsDict['/assets.npmtest_shaka_player.rollup.js'] =
            local.assetsDict['/assets.npmtest_shaka_player.rollup.js'] ||
            local.fs.readFileSync(
                local.npmtest_shaka_player.__dirname + '/lib.npmtest_shaka_player.js',
                'utf8'
            ).replace((/^#!/), '//');
        /* jslint-ignore-end */
        local.assetsDict['/favicon.ico'] = local.assetsDict['/favicon.ico'] || '';
        // if $npm_config_timeout_exit exists,
        // then exit this process after $npm_config_timeout_exit ms
        if (Number(process.env.npm_config_timeout_exit)) {
            setTimeout(process.exit, Number(process.env.npm_config_timeout_exit));
        }
        // start server
        if (local.global.utility2_serverHttp1) {
            break;
        }
        process.env.PORT = process.env.PORT || '8081';
        console.error('server starting on port ' + process.env.PORT);
        local.http.createServer(function (request, response) {
            request.urlParsed = local.url.parse(request.url);
            if (local.assetsDict[request.urlParsed.pathname] !== undefined) {
                response.end(local.assetsDict[request.urlParsed.pathname]);
                return;
            }
            response.statusCode = 404;
            response.end();
        }).listen(process.env.PORT);
        break;
    }
}());
 
 

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/* istanbul instrument in package npmtest_shaka_player */
/*jslint
    bitwise: true,
    browser: true,
    maxerr: 8,
    maxlen: 96,
    node: true,
    nomen: true,
    regexp: true,
    stupid: true
*/
(function () {
    'use strict';
    var local;
 
 
 
    // run shared js-env code - pre-init
    (function () {
        // init local
        local = {};
        // init modeJs
        local.modeJs = (function () {
            try {
                return typeof navigator.userAgent === 'string' &&
                    typeof document.querySelector('body') === 'object' &&
                    typeof XMLHttpRequest.prototype.open === 'function' &&
                    'browser';
            } catch (errorCaughtBrowser) {
                return module.exports &&
                    typeof process.versions.node === 'string' &&
                    typeof require('http').createServer === 'function' &&
                    'node';
            }
        }());
        // init global
        local.global = local.modeJs === 'browser'
            ? window
            : global;
        // init utility2_rollup
        local = local.global.utility2_rollup || local;
        // init lib
        local.local = local.npmtest_shaka_player = local;
        // init exports
        if (local.modeJs === 'browser') {
            local.global.utility2_npmtest_shaka_player = local;
        } else {
            module.exports = local;
            module.exports.__dirname = __dirname;
            module.exports.module = module;
        }
    }());
}());
 
 

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/* istanbul instrument in package npmtest_shaka_player */
/*jslint
    bitwise: true,
    browser: true,
    maxerr: 8,
    maxlen: 96,
    node: true,
    nomen: true,
    regexp: true,
    stupid: true
*/
(function () {
    'use strict';
    var local;
 
 
 
    // run shared js-env code - pre-init
    (function () {
        // init local
        local = {};
        // init modeJs
        local.modeJs = (function () {
            try {
                return typeof navigator.userAgent === 'string' &&
                    typeof document.querySelector('body') === 'object' &&
                    typeof XMLHttpRequest.prototype.open === 'function' &&
                    'browser';
            } catch (errorCaughtBrowser) {
                return module.exports &&
                    typeof process.versions.node === 'string' &&
                    typeof require('http').createServer === 'function' &&
                    'node';
            }
        }());
        // init global
        local.global = local.modeJs === 'browser'
            ? window
            : global;
        switch (local.modeJs) {
        // re-init local from window.local
        case 'browser':
            local = local.global.utility2.objectSetDefault(
                local.global.utility2_rollup || local.global.local,
                local.global.utility2
            );
            break;
        // re-init local from example.js
        case 'node':
            local = (local.global.utility2_rollup || require('utility2'))
                .requireReadme();
            break;
        }
        // export local
        local.global.local = local;
    }());
 
 
 
    // run shared js-env code - function
    (function () {
        return;
    }());
    switch (local.modeJs) {
 
 
 
    // run browser js-env code - function
    case 'browser':
        break;
 
 
 
    // run node js-env code - function
    case 'node':
        break;
    }
 
 
 
    // run shared js-env code - post-init
    (function () {
        return;
    }());
    switch (local.modeJs) {
 
 
 
    // run browser js-env code - post-init
    case 'browser':
        local.testCase_browser_nullCase = local.testCase_browser_nullCase || function (
            options,
            onError
        ) {
        /*
         * this function will test browsers's null-case handling-behavior-behavior
         */
            onError(null, options);
        };
 
        // run tests
        local.nop(local.modeTest &&
            document.querySelector('#testRunButton1') &&
            document.querySelector('#testRunButton1').click());
        break;
 
 
 
    // run node js-env code - post-init
    /* istanbul ignore next */
    case 'node':
        local.testCase_buildApidoc_default = local.testCase_buildApidoc_default || function (
            options,
            onError
        ) {
        /*
         * this function will test buildApidoc's default handling-behavior-behavior
         */
            options = { modulePathList: module.paths };
            local.buildApidoc(options, onError);
        };
 
        local.testCase_buildApp_default = local.testCase_buildApp_default || function (
            options,
            onError
        ) {
        /*
         * this function will test buildApp's default handling-behavior-behavior
         */
            local.testCase_buildReadme_default(options, local.onErrorThrow);
            local.testCase_buildLib_default(options, local.onErrorThrow);
            local.testCase_buildTest_default(options, local.onErrorThrow);
            local.testCase_buildCustomOrg_default(options, local.onErrorThrow);
            options = [];
            local.buildApp(options, onError);
        };
 
        local.testCase_buildCustomOrg_default = local.testCase_buildCustomOrg_default ||
            function (options, onError) {
            /*
             * this function will test buildCustomOrg's default handling-behavior
             */
                options = {};
                local.buildCustomOrg(options, onError);
            };
 
        local.testCase_buildLib_default = local.testCase_buildLib_default || function (
            options,
            onError
        ) {
        /*
         * this function will test buildLib's default handling-behavior
         */
            options = {};
            local.buildLib(options, onError);
        };
 
        local.testCase_buildReadme_default = local.testCase_buildReadme_default || function (
            options,
            onError
        ) {
        /*
         * this function will test buildReadme's default handling-behavior-behavior
         */
            options = {};
            local.buildReadme(options, onError);
        };
 
        local.testCase_buildTest_default = local.testCase_buildTest_default || function (
            options,
            onError
        ) {
        /*
         * this function will test buildTest's default handling-behavior
         */
            options = {};
            local.buildTest(options, onError);
        };
 
        local.testCase_webpage_default = local.testCase_webpage_default || function (
            options,
            onError
        ) {
        /*
         * this function will test webpage's default handling-behavior
         */
            options = { modeCoverageMerge: true, url: local.serverLocalHost + '?modeTest=1' };
            local.browserTest(options, onError);
        };
 
        // run test-server
        local.testRunServer(local);
        break;
    }
}());
 
 

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/**
 * @license
 * Copyright 2016 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
// Karma configuration
// Install required modules by running "npm install"
 
module.exports = function(config) {
  config.set({
    // base path that will be used to resolve all patterns (eg. files, exclude)
    basePath: '.',
 
    // frameworks to use
    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
    frameworks: [
      'jasmine-ajax', 'jasmine',
      'sprintf-js',
    ],
 
    plugins: [
      'karma-*',  // default
      frameworkPluginForModule('sprintf-js'),
    ],
 
    // list of files / patterns to load in the browser
    files: [
      // closure base first
      'third_party/closure/goog/base.js',
 
      // deps next
      'dist/deps.js',
      'shaka-player.uncompiled.js',
 
      // requirejs next
      'node_modules/requirejs/require.js',
 
      // bootstrapping for the test suite
      'test/test/boot.js',
 
      // test utils next
      'test/test/util/*.js',
 
      // list of test assets next
      'demo/assets.js',
 
      // unit tests last
      'test/**/*_unit.js',
 
      // if --quick is not present, we will add integration tests.
 
      // source files - these are only watched and served
      {pattern: 'lib/**/*.js', included: false},
      {pattern: 'third_party/closure/goog/**/*.js', included: false},
      {pattern: 'test/test/assets/*', included: false},
      {pattern: 'dist/shaka-player.compiled.js', included: false},
    ],
 
    // NOTE: Do not use proxies at all!  They cannot be used with the --hostname
    // option, which is necessary for some of our lab testing.
    proxies: {},
 
    preprocessors: {
      // Don't compute coverage over lib/debug/ or lib/polyfill/
      'lib/!(debug|polyfill)/*.js': 'coverage',
      // Player is not matched by the above, so add it explicitly
      'lib/player.js': 'coverage',
    },
 
    // to avoid DISCONNECTED messages on Safari:
    browserDisconnectTimeout: 10 * 1000,  // 10s to reconnect
    browserDisconnectTolerance: 1,  // max of 1 disconnect is OK
    browserNoActivityTimeout: 5 * 60 * 1000,  // disconnect after 5m silence
    captureTimeout: 1 * 60 * 1000,  // give up if startup takes 1m
    // https://support.saucelabs.com/customer/en/portal/articles/2440724
 
    client: {
      // don't capture the client's console logs
      captureConsole: false,
      // |args| must be an array; pass a key-value map as the sole client
      // argument.
      args: [{}],
    },
 
    // enable / disable colors in the output (reporters and logs)
    colors: true,
 
    // level of logging
    // possible values: config.LOG_DISABLE || config.LOG_ERROR ||
    //                  config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
    logLevel: config.LOG_WARN,
 
    // do not execute tests whenever any file changes
    autoWatch: false,
 
    // do a single run of the tests on captured browsers and then quit
    singleRun: true,
 
    coverageReporter: {
      includeAllSources: true,
      reporters: [
        { type: 'text' },
      ],
    },
 
    specReporter: {
      suppressSkipped: true,
    },
  });
 
  if (flagPresent('html-coverage-report')) {
    // Wipe out any old coverage reports to avoid confusion.
    var rimraf = require('rimraf');
    rimraf.sync('coverage', {});  // Like rm -rf
 
    config.set({
      reporters: [ 'coverage', 'progress' ],
      coverageReporter: {
        reporters: [
          { type: 'html', dir: 'coverage' },
          { type: 'cobertura', dir: 'coverage', file: 'coverage.xml' },
        ],
      },
    });
  }
 
  if (!flagPresent('quick')) {
    // If --quick is present, we don't serve integration tests.
    var files = config.files;
    files.push('test/**/*_integration.js');
    // We just modified the config in-place.  No need for config.set().
  }
 
  var logLevel = getFlagValue('enable-logging');
  if (logLevel !== null) {
    if (logLevel === '')
      logLevel = 3;  // INFO
 
    config.set({
      reporters: ['spec'],
    });
    // Setting |config.client| using config.set will remove the
    // |config.client.args| member.
    config.client.captureConsole = true;
    setClientArg(config, 'logLevel', logLevel);
  }
 
  if (flagPresent('external')) {
    // Run Player integration tests against external assets.
    // Skipped by default.
    setClientArg(config, 'external', true);
  }
 
  if (flagPresent('quarantined')) {
    // Run quarantined tests which do not consistently pass.
    // Skipped by default.
    setClientArg(config, 'quarantined', true);
  }
 
  if (flagPresent('uncompiled')) {
    // Run Player integration tests with uncompiled code for debugging.
    setClientArg(config, 'uncompiled', true);
  }
 
  if (flagPresent('random')) {
    // Run tests in a random order.
    setClientArg(config, 'random', true);
 
    // If --seed was specified use that value, else generate a seed so that the
    // exact order can be reproduced if it catches an issue.
    var seed = getFlagValue('seed') || new Date().getTime();
    setClientArg(config, 'seed', seed);
 
    console.log("Using a random test order (--random) with --seed=" + seed);
  }
 
  if (flagPresent('specFilter')) {
    setClientArg(config, 'specFilter', getFlagValue('specFilter'));
  }
};
 
// Sets the value of an argument passed to the client.
function setClientArg(config, name, value) {
  config.client.args[0][name] = value;
}
 
// Find a custom command-line flag that has a value (e.g. --option=12).
// Returns:
// * string value  --option=12
// * empty string  --option= or --option
// * null          not present
function getFlagValue(name) {
  var re = /^--([^=]+)(?:=(.*))?$/;
  for (var i = 0; i < process.argv.length; i++) {
    var match = re.exec(process.argv[i]);
    if (match && match[1] == name) {
      if (match[2] !== undefined)
        return match[2];
      else
        return '';
    }
  }
 
  return null;
}
 
// Find custom command-line flags.
function flagPresent(name) {
  return getFlagValue(name) !== null;
}
 
// Construct framework plugins on-the-fly for arbitrary node modules.
// A call to this must be placed in the config in the 'plugins' array,
// and the module name must be added to the config in the 'frameworks' array.
function frameworkPluginForModule(name) {
  // The framework injects files into the client which runs the tests.
  var framework = function(files) {
    // Locate the main file for the node module.
    var path = require('path');
    var mainFile = path.resolve(require.resolve(name));
 
    // Add a file entry to the list of files to be served.
    // This follows the same syntax as above in config.set({files: ...}).
    files.unshift({
      pattern: mainFile, included: true, served: true, watched: false
    });
  };
 
  // The framework factory function takes one argument, which is the list of
  // files from the karma config.
  framework.$inject = ['config.files'];
 
  // This is the plugin interface to register a new framework.  Adding this to
  // the list of plugins makes the named module available as a framework.  That
  // framework then injects the module into the client.
  var obj = {};
  obj['framework:' + name] = ['factory', framework];
  return obj;
}
 
 

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2
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
/**
 * @license
 * Copyright 2016 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
/**
 * @fileoverview Require all exported classes an app might use.
 * @suppress {extraRequire}
 */
 
goog.require('shaka.Player');
goog.require('shaka.abr.SimpleAbrManager');
goog.require('shaka.cast.CastProxy');
goog.require('shaka.cast.CastReceiver');
goog.require('shaka.dash.DashParser');
goog.require('shaka.log');
goog.require('shaka.media.InitSegmentReference');
goog.require('shaka.media.ManifestParser');
goog.require('shaka.media.Mp4TtmlParser');
goog.require('shaka.media.Mp4VttParser');
goog.require('shaka.media.PresentationTimeline');
goog.require('shaka.media.SegmentIndex');
goog.require('shaka.media.SegmentReference');
goog.require('shaka.media.TextEngine');
goog.require('shaka.media.TtmlTextParser');
goog.require('shaka.media.VttTextParser');
goog.require('shaka.net.DataUriPlugin');
goog.require('shaka.net.HttpPlugin');
goog.require('shaka.offline.OfflineManifestParser');
goog.require('shaka.offline.OfflineScheme');
goog.require('shaka.offline.Storage');
goog.require('shaka.polyfill.Fullscreen');
goog.require('shaka.polyfill.IndexedDB');
goog.require('shaka.polyfill.MediaKeys');
goog.require('shaka.polyfill.MediaSource');
goog.require('shaka.polyfill.Promise');
goog.require('shaka.polyfill.VTTCue');
goog.require('shaka.polyfill.VideoPlaybackQuality');
goog.require('shaka.polyfill.installAll');
goog.require('shaka.util.Error');
 
 

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/**
 * @license
 * Copyright 2016 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
/**
 * @fileoverview Shaka Player demo, main section.
 *
 * @suppress {visibility} to work around compiler errors until we can
 *   refactor the demo into classes that talk via public method.  TODO
 */
 
 
/** @suppress {duplicate} */
var shakaDemo = shakaDemo || {};
 
 
/** @private */
shakaDemo.setupConfiguration_ = function() {
  document.getElementById('preferredAudioLanguage').addEventListener(
      'keyup', shakaDemo.onConfigKeyUp_);
  document.getElementById('preferredTextLanguage').addEventListener(
      'keyup', shakaDemo.onConfigKeyUp_);
  document.getElementById('showTrickPlay').addEventListener(
      'change', shakaDemo.onTrickPlayChange_);
  document.getElementById('enableAdaptation').addEventListener(
      'change', shakaDemo.onAdaptationChange_);
};
 
 
/**
 * @param {!Event} event
 * @private
 */
shakaDemo.onConfigKeyUp_ = function(event) {
  // Update the configuration if the user presses enter.
  if (event.keyCode != 13) return;
 
  shakaDemo.player_.configure(/** @type {shakaExtern.PlayerConfiguration} */({
    preferredAudioLanguage:
        document.getElementById('preferredAudioLanguage').value,
    preferredTextLanguage:
        document.getElementById('preferredTextLanguage').value
  }));
};
 
 
/**
 * @param {!Event} event
 * @private
 */
shakaDemo.onAdaptationChange_ = function(event) {
  // Update adaptation config.
  shakaDemo.player_.configure(/** @type {shakaExtern.PlayerConfiguration} */({
    abr: { enabled: event.target.checked }
  }));
};
 
 
/**
 * @param {!Event} event
 * @private
 */
shakaDemo.onTrickPlayChange_ = function(event) {
  // Show/hide trick play controls.
  shakaDemo.controls_.showTrickPlay(event.target.checked);
};
 
 

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/**
 * @license
 * Copyright 2016 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
 
 
/**
 * A container for custom video controls.
 * @constructor
 * @suppress {missingProvide}
 */
function ShakaControls() {
  /** @private {shaka.cast.CastProxy} */
  this.castProxy_ = null;
 
  /** @private {boolean} */
  this.castAllowed_ = true;
 
  /** @private {?function(!shaka.util.Error)} */
  this.onError_ = null;
 
  /** @private {HTMLMediaElement} */
  this.video_ = null;
 
  /** @private {shaka.Player} */
  this.player_ = null;
 
  /** @private {Element} */
  this.videoContainer_ = document.getElementById('videoContainer');
 
  /** @private {Element} */
  this.controls_ = document.getElementById('controls');
 
  /** @private {Element} */
  this.playPauseButton_ = document.getElementById('playPauseButton');
 
  /** @private {Element} */
  this.seekBar_ = document.getElementById('seekBar');
 
  /** @private {Element} */
  this.muteButton_ = document.getElementById('muteButton');
 
  /** @private {Element} */
  this.volumeBar_ = document.getElementById('volumeBar');
 
  /** @private {Element} */
  this.captionButton_ = document.getElementById('captionButton');
 
  /** @private {Element} */
  this.fullscreenButton_ = document.getElementById('fullscreenButton');
 
  /** @private {Element} */
  this.currentTime_ = document.getElementById('currentTime');
 
  /** @private {Element} */
  this.rewindButton_ = document.getElementById('rewindButton');
 
  /** @private {Element} */
  this.fastForwardButton_ = document.getElementById('fastForwardButton');
 
  /** @private {Element} */
  this.castButton_ = document.getElementById('castButton');
 
  /** @private {Element} */
  this.castReceiverName_ = document.getElementById('castReceiverName');
 
  /** @private {Element} */
  this.bufferingSpinner_ = document.getElementById('bufferingSpinner');
 
  /** @private {Element} */
  this.giantPlayButtonContainer_ =
      document.getElementById('giantPlayButtonContainer');
 
  /** @private {boolean} */
  this.isSeeking_ = false;
 
  /** @private {number} */
  this.trickPlayRate_ = 1;
 
  /** @private {?number} */
  this.seekTimeoutId_ = null;
 
  /** @private {?number} */
  this.mouseStillTimeoutId_ = null;
 
  /** @private {?number} */
  this.lastTouchEventTime_ = null;
}
 
 
/**
 * Initializes the player controls.
 * @param {shaka.cast.CastProxy} castProxy
 * @param {function(!shaka.util.Error)} onError
 * @param {function(boolean)} notifyCastStatus
 */
ShakaControls.prototype.init = function(castProxy, onError, notifyCastStatus) {
  this.castProxy_ = castProxy;
  this.onError_ = onError;
  this.notifyCastStatus_ = notifyCastStatus;
  this.initMinimal(castProxy.getVideo(), castProxy.getPlayer());
 
  // IE11 doesn't treat the 'input' event correctly.
  // https://connect.microsoft.com/IE/Feedback/Details/856998
  // If you know a better way than a userAgent check to handle this, please
  // send a patch.
  var sliderInputEvent = 'input';
  // This matches IE11, but not Edge.  Edge does not have this problem.
  if (navigator.userAgent.indexOf('Trident/') >= 0) {
    sliderInputEvent = 'change';
  }
 
  this.playPauseButton_.addEventListener(
      'click', this.onPlayPauseClick_.bind(this));
  this.video_.addEventListener(
      'play', this.onPlayStateChange_.bind(this));
  this.video_.addEventListener(
      'pause', this.onPlayStateChange_.bind(this));
 
  this.seekBar_.addEventListener(
      'mousedown', this.onSeekStart_.bind(this));
  this.seekBar_.addEventListener(
      'touchstart', this.onSeekStart_.bind(this));
  this.seekBar_.addEventListener(
      sliderInputEvent, this.onSeekInput_.bind(this));
  this.seekBar_.addEventListener(
      'touchend', this.onSeekEnd_.bind(this));
  this.seekBar_.addEventListener(
      'mouseup', this.onSeekEnd_.bind(this));
 
  this.muteButton_.addEventListener(
      'click', this.onMuteClick_.bind(this));
 
  this.volumeBar_.addEventListener(
      sliderInputEvent, this.onVolumeInput_.bind(this));
  this.video_.addEventListener(
      'volumechange', this.onVolumeStateChange_.bind(this));
  // initialize volume display with a fake event
  this.onVolumeStateChange_();
 
  this.captionButton_.addEventListener(
      'click', this.onCaptionClick_.bind(this));
  this.player_.addEventListener(
      'texttrackvisibility', this.onCaptionStateChange_.bind(this));
  this.player_.addEventListener(
      'trackschanged', this.onTracksChange_.bind(this));
  // initialize caption state with a fake event
  this.onCaptionStateChange_();
 
  this.fullscreenButton_.addEventListener(
      'click', this.onFullscreenClick_.bind(this));
 
  this.currentTime_.addEventListener(
      'click', this.onCurrentTimeClick_.bind(this));
 
  this.rewindButton_.addEventListener(
      'click', this.onRewindClick_.bind(this));
  this.fastForwardButton_.addEventListener(
      'click', this.onFastForwardClick_.bind(this));
 
  this.castButton_.addEventListener(
      'click', this.onCastClick_.bind(this));
 
  this.videoContainer_.addEventListener(
      'touchstart', this.onContainerTouch_.bind(this));
  this.videoContainer_.addEventListener(
      'click', this.onPlayPauseClick_.bind(this));
 
  // Clicks in the controls should not propagate up to the video container.
  this.controls_.addEventListener(
      'click', function(event) { event.stopPropagation(); });
 
  this.videoContainer_.addEventListener(
      'mousemove', this.onMouseMove_.bind(this));
  this.videoContainer_.addEventListener(
      'touchmove', this.onMouseMove_.bind(this));
  this.videoContainer_.addEventListener(
      'touchend', this.onMouseMove_.bind(this));
  this.videoContainer_.addEventListener(
      'mouseout', this.onMouseOut_.bind(this));
 
  this.castProxy_.addEventListener(
      'caststatuschanged', this.onCastStatusChange_.bind(this));
};
 
 
/**
 * Initializes minimal player controls.  Used on both sender (indirectly) and
 * receiver (directly).
 * @param {HTMLMediaElement} video
 * @param {shaka.Player} player
 */
ShakaControls.prototype.initMinimal = function(video, player) {
  this.video_ = video;
  this.player_ = player;
  this.player_.addEventListener(
      'buffering', this.onBufferingStateChange_.bind(this));
  window.setInterval(this.updateTimeAndSeekRange_.bind(this), 125);
};
 
 
/**
 * This allows the application to inhibit casting.
 *
 * @param {boolean} allow
 */
ShakaControls.prototype.allowCast = function(allow) {
  this.castAllowed_ = allow;
  this.onCastStatusChange_(null);
};
 
 
/**
 * Used by the application to notify the controls that a load operation is
 * complete.  This allows the controls to recalculate play/paused state, which
 * is important for platforms like Android where autoplay is disabled.
 */
ShakaControls.prototype.loadComplete = function() {
  // If we are on Android or if autoplay is false, video.paused should be true.
  // Otherwise, video.paused is false and the content is autoplaying.
  this.onPlayStateChange_();
};
 
 
/**
 * Hiding the cursor when the mouse stops moving seems to be the only decent UX
 * in fullscreen mode.  Since we can't use pure CSS for that, we use events both
 * in and out of fullscreen mode.
 * @param {!Event} event
 * @private
 */
ShakaControls.prototype.onMouseMove_ = function(event) {
  if (event.type == 'touchstart' || event.type == 'touchmove' ||
      event.type == 'touchend') {
    this.lastTouchEventTime_ = Date.now();
  } else if (this.lastTouchEventTime_ + 1000 < Date.now()) {
    // It has been a while since the last touch event, this is probably a real
    // mouse moving, so treat it like a mouse.
    this.lastTouchEventTime_ = null;
  }
 
  // Use the cursor specified in the CSS file.
  this.videoContainer_.style.cursor = '';
  // Show the controls.
  this.controls_.style.opacity = 1;
  this.updateTimeAndSeekRange_();
 
  // Hide the cursor when the mouse stops moving.
  // Only applies while the cursor is over the video container.
  if (this.mouseStillTimeoutId_) {
    // Reset the timer.
    window.clearTimeout(this.mouseStillTimeoutId_);
  }
 
  // Only start a timeout on 'touchend' or for 'mousemove' with no touch events.
  if (event.type == 'touchend' || !this.lastTouchEventTime_) {
    this.mouseStillTimeoutId_ = window.setTimeout(
        this.onMouseStill_.bind(this), 3000);
  }
};
 
 
/** @private */
ShakaControls.prototype.onMouseOut_ = function() {
  // Expire the timer early.
  if (this.mouseStillTimeoutId_) {
    window.clearTimeout(this.mouseStillTimeoutId_);
  }
  // Run the timeout callback to hide the controls.
  // If we don't, the opacity style we set in onMouseMove_ will continue to
  // override the opacity in CSS and force the controls to stay visible.
  this.onMouseStill_();
};
 
 
/** @private */
ShakaControls.prototype.onMouseStill_ = function() {
  // The mouse has stopped moving.
  this.mouseStillTimeoutId_ = null;
  // Hide the cursor.  (NOTE: not supported on IE)
  this.videoContainer_.style.cursor = 'none';
  // Revert opacity control to CSS.  Hovering directly over the controls will
  // keep them showing, even in fullscreen mode. Unless there were touch events,
  // then override the hover and hide the controls.
  this.controls_.style.opacity = this.lastTouchEventTime_ ? '0' : '';
};
 
 
/**
 * @param {!Event} event
 * @private
 */
ShakaControls.prototype.onContainerTouch_ = function(event) {
  if (!this.video_.duration) {
    // Can't play yet.  Ignore.
    return;
  }
 
  if (this.controls_.style.opacity == 1) {
    this.lastTouchEventTime_ = Date.now();
    // The controls are showing.
    // Let this event continue and become a click.
  } else {
    // The controls are hidden, so show them.
    this.onMouseMove_(event);
    // Stop this event from becoming a click event.
    event.preventDefault();
  }
};
 
 
/** @private */
ShakaControls.prototype.onPlayPauseClick_ = function() {
  if (!this.video_.duration) {
    // Can't play yet.  Ignore.
    return;
  }
 
  this.player_.cancelTrickPlay();
  this.trickPlayRate_ = 1;
 
  if (this.video_.paused) {
    this.video_.play();
  } else {
    this.video_.pause();
  }
};
 
 
/** @private */
ShakaControls.prototype.onPlayStateChange_ = function() {
  // Video is paused during seek, so don't show the play arrow while seeking:
  if (this.video_.paused && !this.isSeeking_) {
    this.playPauseButton_.textContent = 'play_arrow';
    this.giantPlayButtonContainer_.style.display = 'inline';
  } else {
    this.playPauseButton_.textContent = 'pause';
    this.giantPlayButtonContainer_.style.display = 'none';
  }
};
 
 
/** @private */
ShakaControls.prototype.onSeekStart_ = function() {
  this.isSeeking_ = true;
  this.video_.pause();
};
 
 
/** @private */
ShakaControls.prototype.onSeekInput_ = function() {
  if (!this.video_.duration) {
    // Can't seek yet.  Ignore.
    return;
  }
 
  // Update the UI right away.
  this.updateTimeAndSeekRange_();
 
  // Collect input events and seek when things have been stable for 125ms.
  if (this.seekTimeoutId_ != null) {
    window.clearTimeout(this.seekTimeoutId_);
  }
  this.seekTimeoutId_ = window.setTimeout(
      this.onSeekInputTimeout_.bind(this), 125);
};
 
 
/** @private */
ShakaControls.prototype.onSeekInputTimeout_ = function() {
  this.seekTimeoutId_ = null;
  this.video_.currentTime = parseFloat(this.seekBar_.value);
};
 
 
/** @private */
ShakaControls.prototype.onSeekEnd_ = function() {
  if (this.seekTimeoutId_ != null) {
    // They just let go of the seek bar, so end the timer early.
    window.clearTimeout(this.seekTimeoutId_);
    this.onSeekInputTimeout_();
  }
 
  this.isSeeking_ = false;
  this.video_.play();
};
 
 
/** @private */
ShakaControls.prototype.onMuteClick_ = function() {
  this.video_.muted = !this.video_.muted;
};
 
 
/**
 * Updates the controls to reflect volume changes.
 * @private
 */
ShakaControls.prototype.onVolumeStateChange_ = function() {
  if (this.video_.muted) {
    this.muteButton_.textContent = 'volume_off';
    this.volumeBar_.value = 0;
  } else {
    this.muteButton_.textContent = 'volume_up';
    this.volumeBar_.value = this.video_.volume;
  }
 
  var gradient = ['to right'];
  gradient.push('#ccc ' + (this.volumeBar_.value * 100) + '%');
  gradient.push('#000 ' + (this.volumeBar_.value * 100) + '%');
  gradient.push('#000 100%');
  this.volumeBar_.style.background =
      'linear-gradient(' + gradient.join(',') + ')';
};
 
 
/** @private */
ShakaControls.prototype.onVolumeInput_ = function() {
  this.video_.volume = parseFloat(this.volumeBar_.value);
  this.video_.muted = false;
};
 
 
/** @private */
ShakaControls.prototype.onCaptionClick_ = function() {
  this.player_.setTextTrackVisibility(!this.player_.isTextTrackVisible());
};
 
 
/** @private */
ShakaControls.prototype.onTracksChange_ = function() {
  var hasText = this.player_.getTracks().some(function(track) {
    return track.type == 'text';
  });
  this.captionButton_.style.display = hasText ? 'inherit' : 'none';
};
 
 
/** @private */
ShakaControls.prototype.onCaptionStateChange_ = function() {
  if (this.player_.isTextTrackVisible()) {
    this.captionButton_.style.color = 'white';
  } else {
    // Make the button look darker to show that the text track is inactive.
    this.captionButton_.style.color = 'rgba(255, 255, 255, 0.3)';
  }
};
 
 
/** @private */
ShakaControls.prototype.onFullscreenClick_ = function() {
  if (document.fullscreenElement) {
    document.exitFullscreen();
  } else {
    this.videoContainer_.requestFullscreen();
  }
};
 
 
/** @private */
ShakaControls.prototype.onCurrentTimeClick_ = function() {
  // Jump to LIVE if the user clicks on the current time.
  if (this.player_.isLive()) {
    this.video_.currentTime = this.seekBar_.max;
  }
};
 
 
/**
 * Cycles trick play rate between -1, -2, -4, and -8.
 * @private
 */
ShakaControls.prototype.onRewindClick_ = function() {
  if (!this.video_.duration) {
    return;
  }
 
  this.trickPlayRate_ = (this.trickPlayRate_ > 0 || this.trickPlayRate_ < -4) ?
      -1 : this.trickPlayRate_ * 2;
  this.player_.trickPlay(this.trickPlayRate_);
};
 
 
/**
 * Cycles trick play rate between 1, 2, 4, and 8.
 * @private
 */
ShakaControls.prototype.onFastForwardClick_ = function() {
  if (!this.video_.duration) {
    return;
  }
 
  this.trickPlayRate_ = (this.trickPlayRate_ < 0 || this.trickPlayRate_ > 4) ?
      1 : this.trickPlayRate_ * 2;
  this.player_.trickPlay(this.trickPlayRate_);
};
 
 
/** @private */
ShakaControls.prototype.onCastClick_ = function() {
  if (this.castProxy_.isCasting()) {
    this.castProxy_.suggestDisconnect();
  } else {
    this.castButton_.disabled = true;
    this.castProxy_.cast().then(function() {
      this.castButton_.disabled = false;
      // Success!
    }.bind(this), function(error) {
      this.castButton_.disabled = false;
      if (error.code != shaka.util.Error.Code.CAST_CANCELED_BY_USER) {
        this.onError_(error);
      }
    }.bind(this));
  }
};
 
 
/**
 * @param {Event} event
 * @private
 */
ShakaControls.prototype.onCastStatusChange_ = function(event) {
  var canCast = this.castProxy_.canCast() && this.castAllowed_;
  var isCasting = this.castProxy_.isCasting();
 
  this.notifyCastStatus_(isCasting);
  this.castButton_.style.display = canCast ? 'inherit' : 'none';
  this.castButton_.textContent = isCasting ? 'cast_connected' : 'cast';
  this.castReceiverName_.style.display =
      isCasting ? 'inherit' : 'none';
  this.castReceiverName_.textContent =
      isCasting ? 'Casting to ' + this.castProxy_.receiverName() : '';
  this.controls_.classList.toggle('casting', this.castProxy_.isCasting());
};
 
 
/**
 * @param {Event} event
 * @private
 */
ShakaControls.prototype.onBufferingStateChange_ = function(event) {
  this.bufferingSpinner_.style.display =
      event.buffering ? 'inherit' : 'none';
};
 
 
/**
 * @param {boolean} show True to show trick play controls, false to show seek
 *   bar.
 */
ShakaControls.prototype.showTrickPlay = function(show) {
  this.seekBar_.parentElement.style.width = show ? 'auto' : '100%';
  this.seekBar_.style.display = show ? 'none' : 'flex';
  this.rewindButton_.style.display = show ? 'inline' : 'none';
  this.fastForwardButton_.style.display = show ? 'inline' : 'none';
};
 
 
/**
 * @return {boolean}
 * @private
 */
ShakaControls.prototype.isOpaque_ = function() {
  var parentElement = this.controls_.parentElement;
  // The controls are opaque if either:
  //   1. We have explicitly made them so in JavaScript
  //   2. The browser has made them so via css and the hover state
  return (this.controls_.style.opacity == 1 ||
          parentElement.querySelector('#controls:hover') == this.controls_);
};
 
 
/**
 * Called when the seek range or current time need to be updated.
 * @private
 */
ShakaControls.prototype.updateTimeAndSeekRange_ = function() {
  // Suppress updates if the controls are hidden.
  if (!this.isOpaque_()) {
    return;
  }
 
  var displayTime = this.isSeeking_ ?
      this.seekBar_.value : this.video_.currentTime;
  var duration = this.video_.duration;
  var bufferedLength = this.video_.buffered.length;
  var bufferedStart = bufferedLength ? this.video_.buffered.start(0) : 0;
  var bufferedEnd = bufferedLength ? this.video_.buffered.end(0) : 0;
  var seekRange = this.player_.seekRange();
 
  this.seekBar_.min = seekRange.start;
  this.seekBar_.max = seekRange.end;
 
  if (this.player_.isLive()) {
    // The amount of time we are behind the live edge.
    var behindLive = Math.floor(seekRange.end - displayTime);
    displayTime = Math.max(0, behindLive);
    var showHour = (seekRange.end - seekRange.start) >= 3600;
 
    // Consider "LIVE" when less than 1 second behind the live-edge.  Always
    // show the full time string when seeking, including the leading '-';
    // otherwise, the time string "flickers" near the live-edge.
    if ((displayTime >= 1) || this.isSeeking_) {
      this.currentTime_.textContent =
          '- ' + this.buildTimeString_(displayTime, showHour);
      this.currentTime_.style.cursor = 'pointer';
    } else {
      this.currentTime_.textContent = 'LIVE';
      this.currentTime_.style.cursor = '';
    }
 
    if (!this.isSeeking_) {
      this.seekBar_.value = seekRange.end - displayTime;
    }
  } else {
    var showHour = duration >= 3600;
    this.currentTime_.textContent =
        this.buildTimeString_(displayTime, showHour);
 
    if (!this.isSeeking_) {
      this.seekBar_.value = displayTime;
    }
 
    this.currentTime_.style.cursor = '';
  }
 
  var gradient = ['to right'];
  if (bufferedLength == 0) {
    gradient.push('#000 0%');
  } else {
    // NOTE: the fallback to zero eliminates NaN.
    var bufferStartFraction = (bufferedStart / duration) || 0;
    var bufferEndFraction = (bufferedEnd / duration) || 0;
    var playheadFraction = (displayTime / duration) || 0;
 
    if (this.player_.isLive()) {
      var bufferStart = Math.max(bufferedStart, seekRange.start);
      var bufferEnd = Math.min(bufferedEnd, seekRange.end);
      var seekRangeSize = seekRange.end - seekRange.start;
      var bufferStartDistance = bufferStart - seekRange.start;
      var bufferEndDistance = bufferEnd - seekRange.start;
      var playheadDistance = displayTime - seekRange.start;
      bufferStartFraction = (bufferStartDistance / seekRangeSize) || 0;
      bufferEndFraction = (bufferEndDistance / seekRangeSize) || 0;
      playheadFraction = (playheadDistance / seekRangeSize) || 0;
    }
 
    gradient.push('#000 ' + (bufferStartFraction * 100) + '%');
    gradient.push('#ccc ' + (bufferStartFraction * 100) + '%');
    gradient.push('#ccc ' + (playheadFraction * 100) + '%');
    gradient.push('#444 ' + (playheadFraction * 100) + '%');
    gradient.push('#444 ' + (bufferEndFraction * 100) + '%');
    gradient.push('#000 ' + (bufferEndFraction * 100) + '%');
  }
  this.seekBar_.style.background =
      'linear-gradient(' + gradient.join(',') + ')';
};
 
 
/**
 * Builds a time string, e.g., 01:04:23, from |displayTime|.
 *
 * @param {number} displayTime
 * @param {boolean} showHour
 * @return {string}
 * @private
 */
ShakaControls.prototype.buildTimeString_ = function(displayTime, showHour) {
  var h = Math.floor(displayTime / 3600);
  var m = Math.floor((displayTime / 60) % 60);
  var s = Math.floor(displayTime % 60);
  if (s < 10) s = '0' + s;
  var text = m + ':' + s;
  if (showHour) {
    if (m < 10) text = '0' + text;
    text = h + ':' + text;
  }
  return text;
};
 
 

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/**
 * @license
 * Copyright 2016 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
 
/** @namespace */
var ShakaDemoUtils = {};
 
 
/**
 * @param {shakaAssets.AssetInfo} asset
 * @param {shaka.Player} player
 */
ShakaDemoUtils.setupAssetMetadata = function(asset, player) {
  var config = /** @type {shakaExtern.PlayerConfiguration} */(
      { drm: {}, manifest: { dash: {} } });
 
  // Add config from this asset.
  if (asset.licenseServers)
    config.drm.servers = asset.licenseServers;
  if (asset.drmCallback)
    config.manifest.dash.customScheme = asset.drmCallback;
  if (asset.clearKeys)
    config.drm.clearKeys = asset.clearKeys;
  player.configure(config);
 
  // Configure network filters.
  var networkingEngine = player.getNetworkingEngine();
  networkingEngine.clearAllRequestFilters();
  networkingEngine.clearAllResponseFilters();
 
  if (asset.licenseRequestHeaders) {
    var filter = ShakaDemoUtils.addLicenseRequestHeaders_.bind(
        null, asset.licenseRequestHeaders);
    networkingEngine.registerRequestFilter(filter);
  }
 
  if (asset.requestFilter)
    networkingEngine.registerRequestFilter(asset.requestFilter);
  if (asset.responseFilter)
    networkingEngine.registerResponseFilter(asset.responseFilter);
  if (asset.extraConfig)
    player.configure(/** @type {shakaExtern.PlayerConfiguration} */(
        asset.extraConfig));
};
 
 
/**
 * @param {!Object.<string, string>} headers
 * @param {shaka.net.NetworkingEngine.RequestType} requestType
 * @param {shakaExtern.Request} request
 * @private
 */
ShakaDemoUtils.addLicenseRequestHeaders_ =
    function(headers, requestType, request) {
  if (requestType != shaka.net.NetworkingEngine.RequestType.LICENSE) return;
 
  // Add these to the existing headers.  Do not clobber them!
  // For PlayReady, there will already be headers in the request.
  for (var k in headers) {
    request.headers[k] = headers[k];
  }
};
 
 

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/**
 * @license
 * Copyright 2016 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
/**
 * @fileoverview Shaka Player demo, main section.
 *
 * @suppress {visibility} to work around compiler errors until we can
 *   refactor the demo into classes that talk via public method.  TODO
 */
 
 
/** @suppress {duplicate} */
var shakaDemo = shakaDemo || {};
 
 
/** @private */
shakaDemo.setupInfo_ = function() {
  window.setInterval(shakaDemo.updateDebugInfo_, 125);
  shakaDemo.player_.addEventListener(
      'trackschanged', shakaDemo.onTracksChanged_);
  shakaDemo.player_.addEventListener(
      'adaptation', shakaDemo.onAdaptation_);
  document.getElementById('videoTracks').addEventListener(
      'change', shakaDemo.onTrackSelected_);
  document.getElementById('audioTracks').addEventListener(
      'change', shakaDemo.onTrackSelected_);
  document.getElementById('textTracks').addEventListener(
      'change', shakaDemo.onTrackSelected_);
};
 
 
/**
 * @param {!Event} event
 * @private
 */
shakaDemo.onTracksChanged_ = function(event) {
  // Update the track lists.
  var lists = {
    video: document.getElementById('videoTracks'),
    audio: document.getElementById('audioTracks'),
    text: document.getElementById('textTracks')
  };
  var formatters = {
    video: function(track) {
      return track.width + 'x' + track.height + ', ' +
             track.bandwidth + ' bits/s';
    },
    audio: function(track) {
      return 'language: ' + track.language + ', ' +
             track.bandwidth + ' bits/s';
    },
    text: function(track) {
      return 'language: ' + track.language + ' ' +
             '(' + track.kind + ')';
    }
  };
 
  // Clear the old track lists.
  Object.keys(lists).forEach(function(type) {
    var list = lists[type];
    while (list.firstChild) {
      list.removeChild(list.firstChild);
    }
  });
 
  // Populate with the new tracks.
  var tracks = shakaDemo.player_.getTracks();
  tracks.sort(function(t1, t2) {
    // Sort by language, then by bandwidth.
    if (t1.language) {
      var ret = t1.language.localeCompare(t2.language);
      if (ret) return ret;
    }
    return t1.bandwidth - t2.bandwidth;
  });
  tracks.forEach(function(track) {
    var list = lists[track.type];
    if (!list) return;
    var option = document.createElement('option');
    option.textContent = formatters[track.type](track);
    option.track = track;
    option.value = track.id;
    option.selected = track.active;
    list.appendChild(option);
  });
};
 
 
/**
 * @param {!Event} event
 * @private
 */
shakaDemo.onAdaptation_ = function(event) {
  var lists = {
    video: document.getElementById('videoTracks'),
    audio: document.getElementById('audioTracks'),
    text: document.getElementById('textTracks')
  };
 
  // Find the rows for the active tracks and select them.
  var tracks = shakaDemo.player_.getTracks();
  tracks.forEach(function(track) {
    if (!track.active) return;
 
    var list = lists[track.type];
    for (var i = 0; i < list.options.length; ++i) {
      var option = list.options[i];
      if (option.value == track.id) {
        option.selected = true;
        break;
      }
    }
  });
};
 
 
/**
 * @param {!Event} event
 * @private
 */
shakaDemo.onTrackSelected_ = function(event) {
  var list = event.target;
  var option = list.options[list.selectedIndex];
  var track = option.track;
  var player = shakaDemo.player_;
 
  player.selectTrack(track, /* clearBuffer */ true);
 
  // Adaptation might have been changed by calling selectTrack().
  // Update the adaptation checkbox.
  var enableAdaptation = player.getConfiguration().abr.enabled;
  document.getElementById('enableAdaptation').checked = enableAdaptation;
};
 
 
/** @private */
shakaDemo.updateDebugInfo_ = function() {
  var video = shakaDemo.video_;
 
  document.getElementById('videoResDebug').textContent =
      video.videoWidth + ' x ' + video.videoHeight;
 
  var behind = 0;
  var ahead = 0;
 
  var currentTime = video.currentTime;
  var buffered = video.buffered;
  for (var i = 0; i < buffered.length; ++i) {
    if (buffered.start(i) <= currentTime && buffered.end(i) >= currentTime) {
      ahead = buffered.end(i) - currentTime;
      behind = currentTime - buffered.start(i);
      break;
    }
  }
 
  document.getElementById('bufferedDebug').textContent =
      '- ' + behind.toFixed(0) + 's / ' + '+ ' + ahead.toFixed(0) + 's';
};
 
 

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/**
 * @license
 * Copyright 2016 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
 
/**
 * Loads the library.  Chooses compiled or debug version of the library based
 * on the presence or absence of the URL parameter "compiled".
 *
 * This dynamic loading process is not necessary in a production environment,
 * but greatly simplifies the process of switching between compiled and
 * uncompiled mode during development.
 *
 * This is used in the provided demo app, but can also be used to load the
 * uncompiled version of the library into your own application environment.
 */
(function() {  // anonymous namespace
  // The sources may be in a different folder from the app.
  // Compute the base URL for all library sources.
  var currentScript = document.currentScript ||
                      document.scripts[document.scripts.length - 1];
  var loaderSrc = currentScript.src;
  var baseUrl = loaderSrc.split('/').slice(0, -1).join('/') + '/';
 
  function loadScript(src) {
    // This does not seem like it would be the best way to do this, but the
    // timing is different than creating a new script element and appending
    // it to the head element.  This way, all script loading happens before
    // DOMContentLoaded.  This is also compatible with goog.require's loading
    // mechanism, whereas appending an element to head isn't.
    document.write('<script src="' + baseUrl + src + '"></script>');
  }
 
  var fields = location.search.split('?').slice(1).join('?');
  fields = fields ? fields.split(';') : [];
 
  // Very old browsers do not have Array.prototype.indexOf.
  var compiledMode = false;
  for (var i = 0; i < fields.length; ++i) {
    if (fields[i] == 'compiled') {
      compiledMode = true;
      break;
    }
  }
 
  if (compiledMode) {
    // This contains the entire library, compiled in debug mode.
    loadScript('../dist/shaka-player.compiled.debug.js');
  } else {
    // In non-compiled mode, we load the closure library and the generated deps
    // file to bootstrap the system.  goog.require will load the rest.
    loadScript('../third_party/closure/goog/base.js');
    loadScript('../dist/deps.js');
    // This file contains goog.require calls for all exported classes.
    loadScript('../shaka-player.uncompiled.js');
  }
})();  // anonymous namespace
 
 

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/**
 * @license
 * Copyright 2016 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
/**
 * @fileoverview Shaka Player demo, main section.
 *
 * @suppress {visibility} to work around compiler errors until we can
 *   refactor the demo into classes that talk via public method.  TODO
 */
 
 
/** @suppress {duplicate} */
var shakaDemo = shakaDemo || {};
 
 
/** @private {shaka.cast.CastProxy} */
shakaDemo.castProxy_ = null;
 
 
/** @private {HTMLMediaElement} */
shakaDemo.video_ = null;
 
 
/** @private {shaka.Player} */
shakaDemo.player_ = null;
 
 
/** @private {shaka.Player} */
shakaDemo.localPlayer_ = null;
 
 
/** @private {shakaExtern.SupportType} */
shakaDemo.support_;
 
 
/** @private {ShakaControls} */
shakaDemo.controls_ = null;
 
 
/**
 * The registered ID of the v2 Chromecast receiver demo.
 * @const {string}
 * @private
 */
shakaDemo.CC_APP_ID_ = '4E839F3A';
 
 
/**
 * Initialize the application.
 */
shakaDemo.init = function() {
  document.getElementById('errorDisplayCloseButton').addEventListener(
      'click', shakaDemo.closeError);
 
  // Display the version number.
  document.getElementById('version').textContent = shaka.Player.version;
 
  // Fill in the language preferences based on browser config, if available.
  var language = navigator.language || 'en-us';
  document.getElementById('preferredAudioLanguage').value = language;
  document.getElementById('preferredTextLanguage').value = language;
 
  // Read URL parameters.
  var fields = location.search.split('?').slice(1).join('?');
  fields = fields ? fields.split(';') : [];
  var params = {};
  for (var i = 0; i < fields.length; ++i) {
    var kv = fields[i].split('=');
    params[kv[0]] = kv.slice(1).join('=');
  }
 
  if ('lang' in params) {
    document.getElementById('preferredAudioLanguage').value = params['lang'];
    document.getElementById('preferredTextLanguage').value = params['lang'];
  }
  if ('asset' in params) {
    document.getElementById('manifestInput').value = params['asset'];
  }
  if ('license' in params) {
    document.getElementById('licenseServerInput').value = params['license'];
  }
  if ('logtoscreen' in params) {
    document.getElementById('logToScreen').checked = true;
  }
  if ('noinput' in params) {
    // Both the content container and body need different styles in this mode.
    document.getElementById('container').className = 'noinput';
    document.body.className = 'noinput';
  }
 
  if ('vv' in params && shaka.log) {
    shaka.log.setLevel(shaka.log.Level.V2);
  } else if ('v' in params && shaka.log) {
    shaka.log.setLevel(shaka.log.Level.V1);
  } else if ('debug' in params && shaka.log) {
    shaka.log.setLevel(shaka.log.Level.DEBUG);
  }
 
  shakaDemo.setupLogging_();
 
  shaka.polyfill.installAll();
 
  if (!shaka.Player.isBrowserSupported()) {
    var errorDisplayLink = document.getElementById('errorDisplayLink');
    var error = 'Your browser is not supported!';
 
    // IE8 and other very old browsers don't have textContent.
    if (errorDisplayLink.textContent === undefined) {
      errorDisplayLink.innerText = error;
    } else {
      errorDisplayLink.textContent = error;
    }
 
    // Disable the load button.
    var loadButton = document.getElementById('loadButton');
    loadButton.disabled = true;
 
    // Hide the error message's close button.
    var errorDisplayCloseButton =
        document.getElementById('errorDisplayCloseButton');
    errorDisplayCloseButton.style.display = 'none';
 
    // Make sure the error is seen.
    errorDisplayLink.style.fontSize = '250%';
 
    // TODO: Link to docs about browser support.  For now, disable link.
    errorDisplayLink.href = '#';
    // Disable for newer browsers:
    errorDisplayLink.style.pointerEvents = 'none';
    // Disable for older browsers:
    errorDisplayLink.style.textDecoration = 'none';
    errorDisplayLink.style.cursor = 'default';
    errorDisplayLink.onclick = function() { return false; };
 
    var errorDisplay = document.getElementById('errorDisplay');
    errorDisplay.style.display = 'block';
  } else {
    shaka.Player.probeSupport().then(function(support) {
      shakaDemo.support_ = support;
 
      var localVideo =
          /** @type {!HTMLVideoElement} */(document.getElementById('video'));
      var localPlayer = new shaka.Player(localVideo);
      shakaDemo.castProxy_ = new shaka.cast.CastProxy(
          localVideo, localPlayer, shakaDemo.CC_APP_ID_);
 
      shakaDemo.video_ = shakaDemo.castProxy_.getVideo();
      shakaDemo.player_ = shakaDemo.castProxy_.getPlayer();
      shakaDemo.player_.addEventListener('error', shakaDemo.onErrorEvent_);
      shakaDemo.localPlayer_ = localPlayer;
 
      shakaDemo.setupAssets_();
      shakaDemo.setupOffline_();
      shakaDemo.setupConfiguration_();
      shakaDemo.setupInfo_();
 
      shakaDemo.controls_ = new ShakaControls();
      shakaDemo.controls_.init(shakaDemo.castProxy_, shakaDemo.onError_,
                               shakaDemo.onCastStatusChange_);
 
      // If a custom asset was given in the URL, select it now.
      if ('asset' in params) {
        var assetList = document.getElementById('assetList');
        var customAsset = document.getElementById('customAsset');
        assetList.selectedIndex = assetList.options.length - 1;
        customAsset.style.display = 'block';
      }
 
      if ('play' in params) {
        shakaDemo.load();
      }
    });
  }
};
 
 
/**
 * @param {!Event} event
 * @private
 */
shakaDemo.onErrorEvent_ = function(event) {
  var error = event.detail;
  shakaDemo.onError_(error);
};
 
 
/**
 * @param {!shaka.util.Error} error
 * @private
 */
shakaDemo.onError_ = function(error) {
  console.error('Player error', error);
  var message = error.message || ('Error code ' + error.code);
  var link = document.getElementById('errorDisplayLink');
  link.href = '../docs/api/shaka.util.Error.html#value:' + error.code;
  link.textContent = message;
  // Make the link clickable only if we have an error code.
  link.style.pointerEvents = error.code ? 'auto' : 'none';
  document.getElementById('errorDisplay').style.display = 'block';
};
 
 
/**
 * Closes the error bar.
 */
shakaDemo.closeError = function() {
  document.getElementById('errorDisplay').style.display = 'none';
  var link = document.getElementById('errorDisplayLink');
  link.href = '';
  link.textContent = '';
};
 
 
// IE 9 fires DOMContentLoaded, and enters the "interactive"
// readyState, before document.body has been initialized, so wait
// for window.load.
if (document.readyState == 'loading' ||
    document.readyState == 'interactive') {
  if (window.attachEvent) {
    // IE8
    window.attachEvent('onload', shakaDemo.init);
  } else {
    window.addEventListener('load', shakaDemo.init);
  }
} else {
  shakaDemo.init();
}
 
 

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1
 
 
 
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1
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
/**
 * @license
 * Copyright 2016 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
/**
 * @fileoverview Shaka Player demo, main section.
 *
 * @suppress {visibility} to work around compiler errors until we can
 *   refactor the demo into classes that talk via public method.  TODO
 */
 
 
/** @suppress {duplicate} */
var shakaDemo = shakaDemo || {};
 
 
/** @private {?HTMLOptGroupElement} */
shakaDemo.offlineOptGroup_ = null;
 
 
/** @private {boolean} */
shakaDemo.offlineOperationInProgress_ = false;
 
 
/**
 * @param {boolean} canHide True to hide the progress value if there isn't an
 *   operation going.
 * @private
 */
shakaDemo.updateButtons_ = function(canHide) {
  var assetList = document.getElementById('assetList');
  var inProgress = shakaDemo.offlineOperationInProgress_;
 
  document.getElementById('progressDiv').style.display =
      canHide && !inProgress ? 'none' : 'block';
 
  var option = assetList.options[assetList.selectedIndex];
  var storedContent = option.storedContent;
  // True if there is no DRM or if the browser supports persistent licenses for
  // any given DRM system.
  var supportsDrm = !option.asset || !option.asset.drm ||
      !option.asset.drm.length || option.asset.drm.some(function(drm) {
        return shakaDemo.support_.drm[drm] &&
            shakaDemo.support_.drm[drm].persistentState;
      });
 
  // Only show when the custom asset option is selected.
  document.getElementById('offlineNameDiv').style.display =
      option.asset ? 'none' : 'block';
 
  var button = document.getElementById('storeDelete');
  button.disabled = (inProgress || !supportsDrm || option.isStored);
  button.innerText = storedContent ? 'Delete' : 'Store';
  if (inProgress)
    button.title = 'There is already an operation in progress';
  else if (!supportsDrm)
    button.title = 'This browser does not support persistent licenses';
  else if (button.disabled)
    button.title = 'Selected asset is already stored offline';
  else
    button.title = '';
};
 
 
/** @private */
shakaDemo.setupOffline_ = function() {
  document.getElementById('storeDelete')
      .addEventListener('click', shakaDemo.storeDeleteAsset_);
  document.getElementById('assetList')
      .addEventListener('change', shakaDemo.updateButtons_.bind(null, true));
  shakaDemo.updateButtons_(true);
};
 
 
/**
 * @return {!Promise}
 * @private
 */
shakaDemo.setupOfflineAssets_ = function() {
  var Storage = shaka.offline.Storage;
  if (!Storage.support()) {
    var section = document.getElementById('offlineSection');
    section.style.display = 'none';
    return Promise.resolve();
  }
 
  /** @type {!HTMLOptGroupElement} */
  var group;
  var assetList = document.getElementById('assetList');
  if (!shakaDemo.offlineOptGroup_) {
    group =
        /** @type {!HTMLOptGroupElement} */ (
            document.createElement('optgroup'));
    shakaDemo.offlineOptGroup_ = group;
    group.label = 'Offline';
    assetList.appendChild(group);
  } else {
    group = shakaDemo.offlineOptGroup_;
  }
 
  var db = new Storage(shakaDemo.localPlayer_);
  return db.list().then(function(storedContents) {
    storedContents.forEach(function(storedContent) {
      for (var i = 0; i < assetList.options.length; i++) {
        var option = assetList.options[i];
        if (option.asset &&
            option.asset.manifestUri == storedContent.originalManifestUri) {
          option.isStored = true;
          break;
        }
      }
      var asset = {manifestUri: storedContent.offlineUri};
 
      var option = document.createElement('option');
      option.textContent =
          storedContent.appMetadata ? storedContent.appMetadata.name : '';
      option.asset = asset;
      option.storedContent = storedContent;
      group.appendChild(option);
    });
 
    shakaDemo.updateButtons_(true);
    return db.destroy();
  });
};
 
 
/** @private */
shakaDemo.storeDeleteAsset_ = function() {
  shakaDemo.closeError();
  shakaDemo.offlineOperationInProgress_ = true;
  shakaDemo.updateButtons_(false);
 
  var assetList = document.getElementById('assetList');
  var progress = document.getElementById('progress');
  var option = assetList.options[assetList.selectedIndex];
 
  progress.textContent = '0';
 
  var storage = new shaka.offline.Storage(shakaDemo.player_);
  storage.configure(/** @type {shakaExtern.OfflineConfiguration} */ ({
    progressCallback: function(data, percent) {
      progress.textContent = (percent * 100).toFixed(2);
    }
  }));
 
  var p;
  if (option.storedContent) {
    var originalManifestUri = option.storedContent.originalManifestUri;
    p = storage.remove(option.storedContent).then(function() {
      for (var i = 0; i < assetList.options.length; i++) {
        var option = assetList.options[i];
        if (option.asset && option.asset.manifestUri == originalManifestUri)
          option.isStored = false;
      }
      shakaDemo.refreshAssetList_();
    });
  } else {
    var asset = shakaDemo.preparePlayer_(option.asset);
    var nameField = document.getElementById('offlineName').value;
    var assetName = asset.name ? asset.name + ' (offline)' : null;
    var metadata = {name: assetName || nameField || asset.manifestUri};
    p = storage.store(asset.manifestUri, metadata).then(function() {
      shakaDemo.refreshAssetList_();
      if (option.asset)
        option.isStored = true;
    });
  }
 
  p.catch(function(reason) {
    var error = /** @type {!shaka.util.Error} */(reason);
    shakaDemo.onError_(error);
  }).then(function() {
    shakaDemo.offlineOperationInProgress_ = false;
    shakaDemo.updateButtons_(false);
    return storage.destroy();
  });
};
 
 
/** @private */
shakaDemo.refreshAssetList_ = function() {
  // Remove all child elements.
  var group = shakaDemo.offlineOptGroup_;
  while (group.firstChild) {
    group.removeChild(group.firstChild);
  }
 
  shakaDemo.setupOfflineAssets_();
};
 
 
/**
 * @param {boolean} connected
 * @private
 */
shakaDemo.onCastStatusChange_ = function(connected) {
  if (!shakaDemo.offlineOptGroup_) {
    // No offline support.
    return;
  }
 
  // When we are casting, offline assets become unavailable.
  shakaDemo.offlineOptGroup_.disabled = connected;
 
  if (connected) {
    var assetList = document.getElementById('assetList');
    var option = assetList.options[assetList.selectedIndex];
    if (option.storedContent) {
      // This is an offline asset.  Select something else.
      assetList.selectedIndex = 0;
    }
  }
};
 
 

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/**
 * @license
 * Copyright 2016 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
 
 
/**
 * A Chromecast receiver demo app.
 * @constructor
 * @suppress {missingProvide}
 */
function ShakaReceiver() {
  /** @private {HTMLMediaElement} */
  this.video_ = null;
 
  /** @private {shaka.Player} */
  this.player_ = null;
 
  /** @private {shaka.cast.CastReceiver} */
  this.receiver_ = null;
 
  /** @private {Element} */
  this.pauseIcon_ = null;
 
  /** @private {Element} */
  this.controlsElement_ = null;
 
  /** @private {ShakaControls} */
  this.controlsUi_ = null;
 
  /** @private {?number} */
  this.controlsTimerId_ = null;
 
  /** @private {Element} */
  this.idle_ = null;
 
  /** @private {?number} */
  this.idleTimerId_ = null;
 
  /**
   * In seconds.
   * @const
   * @private {number}
   */
  this.idleTimeout_ = 300;
}
 
 
/**
 * Initialize the application.
 */
ShakaReceiver.prototype.init = function() {
  shaka.polyfill.installAll();
 
  this.video_ =
      /** @type {!HTMLMediaElement} */(document.getElementById('video'));
  this.player_ = new shaka.Player(this.video_);
 
  this.controlsUi_ = new ShakaControls();
  this.controlsUi_.initMinimal(this.video_, this.player_);
 
  this.controlsElement_ = document.getElementById('controls');
  this.pauseIcon_ = document.getElementById('pauseIcon');
  this.idle_ = document.getElementById('idle');
 
  this.video_.addEventListener(
      'play', this.onPlayStateChange_.bind(this));
  this.video_.addEventListener(
      'pause', this.onPlayStateChange_.bind(this));
  this.video_.addEventListener(
      'seeking', this.onPlayStateChange_.bind(this));
  this.video_.addEventListener(
      'emptied', this.onPlayStateChange_.bind(this));
 
  this.receiver_ = new shaka.cast.CastReceiver(
      this.video_, this.player_, this.appDataCallback_.bind(this));
  this.receiver_.addEventListener(
      'caststatuschanged', this.checkIdle_.bind(this));
 
  this.startIdleTimer_();
};
 
 
/**
 * @param {Object} appData
 * @private
 */
ShakaReceiver.prototype.appDataCallback_ = function(appData) {
  // appData is null if we start the app without any media loaded.
  if (!appData) return;
 
  var asset = /** @type {shakaAssets.AssetInfo} */(appData['asset']);
  // Patch in non-transferable callbacks for YT DRM:
  if (appData['isYtDrm']) {
    asset.drmCallback = shakaAssets.YouTubeCallback;
    asset.requestFilter = shakaAssets.YouTubeRequestFilter;
    asset.responseFilter = shakaAssets.YouTubeResponseFilter;
  }
  ShakaDemoUtils.setupAssetMetadata(asset, this.player_);
};
 
 
/** @private */
ShakaReceiver.prototype.checkIdle_ = function() {
  console.debug('status changed',
                'idle=', this.receiver_.isIdle());
 
  // If the app is idle, show the idle card and set a timer to close the app.
  // Otherwise, hide the idle card and cancel the timer.
  if (this.receiver_.isIdle()) {
    this.idle_.style.display = 'block';
    this.startIdleTimer_();
  } else {
    this.idle_.style.display = 'none';
    this.cancelIdleTimer_();
  }
};
 
 
/** @private */
ShakaReceiver.prototype.startIdleTimer_ = function() {
  this.cancelIdleTimer_();
 
  this.idleTimerId_ = window.setTimeout(
      window.close.bind(window), this.idleTimeout_ * 1000.0);
};
 
 
/** @private */
ShakaReceiver.prototype.cancelIdleTimer_ = function() {
  if (this.idleTimerId_ != null) {
    window.clearTimeout(this.idleTimerId_);
    this.idleTimerId_ = null;
  }
};
 
 
/** @private */
ShakaReceiver.prototype.onPlayStateChange_ = function() {
  if (this.controlsTimerId_ != null) {
    window.clearTimeout(this.controlsTimerId_);
  }
 
  if (this.video_.paused) {
    this.pauseIcon_.textContent = 'pause';
  } else {
    this.pauseIcon_.textContent = 'play_arrow';
  }
 
  if (this.video_.paused && this.video_.readyState > 0) {
    // Show controls.
    this.controlsElement_.style.opacity = 1;
  } else {
    // Show controls for 3 seconds.
    this.controlsElement_.style.opacity = 1;
    this.controlsTimerId_ = window.setTimeout(function() {
      this.controlsElement_.style.opacity = 0;
    }.bind(this), 3000);
  }
};
 
 
/**
 * Initialize the receiver app by instantiating ShakaReceiver.
 */
function receiverAppInit() {
  window.receiver = new ShakaReceiver();
  window.receiver.init();
}
 
 
if (document.readyState == 'loading' ||
    document.readyState == 'interactive') {
  window.addEventListener('load', receiverAppInit);
} else {
  receiverAppInit();
}
 
 

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(function(){var g={};
(function(window){var k,aa=this;aa.md=!0;function m(a,b){var c=a.split("."),d=aa;c[0]in d||!d.execScript||d.execScript("var "+c[0]);for(var e;c.length&&(e=c.shift());)c.length||void 0===b?d[e]?d=d[e]:d=d[e]={}:d[e]=b}function ba(a){var b=p;function c(){}c.prototype=b.prototype;a.qd=b.prototype;a.prototype=new c;a.prototype.constructor=a;a.nd=function(a,c,f){return b.prototype[c].apply(a,Array.prototype.slice.call(arguments,2))}};/*
 
 Copyright 2016 Google Inc.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
 
     http://www.apache.org/licenses/LICENSE-2.0
 
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
*/
function ca(a){this.c=Math.exp(Math.log(.5)/a);this.b=this.a=0}function da(a,b,c){var d=Math.pow(a.c,b);c=c*(1-d)+d*a.a;isNaN(c)||(a.a=c,a.b+=b)}function ea(a){return a.a/(1-Math.pow(a.c,a.b))};function fa(){this.c=new ca(2);this.f=new ca(5);this.a=0;this.b=5E5}fa.prototype.setDefaultEstimate=function(a){this.b=a};fa.prototype.getBandwidthEstimate=function(){return 128E3>this.a?this.b:Math.min(ea(this.c),ea(this.f))};function ga(){}function ha(){};function q(){this.h=null;this.f=!1;this.b=new fa;this.g={};this.a={};this.i=!1;this.c=null}m("shaka.abr.SimpleAbrManager",q);q.prototype.stop=function(){this.h=null;this.f=!1;this.g={};this.a={};this.c=null};q.prototype.stop=q.prototype.stop;q.prototype.init=function(a){this.h=a};q.prototype.init=q.prototype.init;
q.prototype.chooseStreams=function(a){for(var b in a)this.g[b]=a[b];b={};if("audio"in a){var c=ia(this);c?(b.audio=c,this.a.audio=c):delete this.a.audio}"video"in a&&((c=ja(this))?(b.video=c,this.a.video=c):delete this.a.video);"text"in a&&(b.text=a.text.streams[0]);this.c=Date.now();return b};q.prototype.chooseStreams=q.prototype.chooseStreams;q.prototype.enable=function(){this.f=!0};q.prototype.enable=q.prototype.enable;q.prototype.disable=function(){this.f=!1};q.prototype.disable=q.prototype.disable;
q.prototype.segmentDownloaded=function(a,b,c){var d=this.b;b-=a;16E3>c||(a=8E3*c/b,b/=1E3,d.a+=c,da(d.c,b,a),da(d.f,b,a));if(null!=this.c&&this.f)a:{if(!this.i){if(!(128E3<=this.b.a))break a;this.i=!0}else if(8E3>Date.now()-this.c)break a;c={};if(d=ia(this))c.audio=d,this.a.audio=d;if(d=ja(this))c.video=d,this.a.video=d;this.c=Date.now();this.b.getBandwidthEstimate();this.h(c)}};q.prototype.segmentDownloaded=q.prototype.segmentDownloaded;q.prototype.getBandwidthEstimate=function(){return this.b.getBandwidthEstimate()};
q.prototype.getBandwidthEstimate=q.prototype.getBandwidthEstimate;q.prototype.setDefaultEstimate=function(a){this.b.setDefaultEstimate(a)};q.prototype.setDefaultEstimate=q.prototype.setDefaultEstimate;function ia(a){a=a.g.audio;if(!a)return null;a=ka(a);return a[Math.floor(a.length/2)]}
function ja(a){var b=a.g.video;if(!b)return null;var b=ka(b),c=a.a.audio,c=c&&c.bandwidth||0;a=a.b.getBandwidthEstimate();for(var d=b[0],e=0;e<b.length;++e){var f=b[e];if(f.bandwidth){var g=((e+1<b.length?b[e+1]:{bandwidth:Infinity}).bandwidth+c)/.85;a>=(f.bandwidth+c)/.95&&a<=g&&(d=f)}}return d}function ka(a){return a.streams.slice(0).filter(function(a){return a.allowedByApplication&&a.allowedByKeySystem}).sort(function(a,c){return a.bandwidth-c.bandwidth})};function t(a,b){var c=b||{},d;for(d in c)this[d]=c[d];this.defaultPrevented=this.cancelable=this.bubbles=!1;this.timeStamp=window.performance&&window.performance.now?window.performance.now():Date.now();this.type=a;this.isTrusted=!1;this.target=this.currentTarget=null;this.a=!1}t.prototype.preventDefault=function(){};t.prototype.stopImmediatePropagation=function(){this.a=!0};t.prototype.stopPropagation=function(){};var la="ended play playing pause pausing ratechange seeked seeking timeupdate volumechange".split(" "),ma="buffered currentTime duration ended loop muted paused playbackRate seeking videoHeight videoWidth volume".split(" "),na=["loop","playbackRate"],oa=["pause","play"],pa="adaptation buffering emsg error loading unloading texttrackvisibility trackschanged".split(" "),qa="drmInfo getConfiguration getManifestUri getPlaybackRate getTracks getStats isBuffering isInProgress isLive isTextTrackVisible keySystem seekRange".split(" "),
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V.prototype.Mc=function(a,b){if(this.b){var c=sd(ce(this.b),a);if(c){var d=c.stream;d.allowedByApplication&&d.allowedByKeySystem&&(this.B.push({timestamp:Date.now()/1E3,id:d.id,type:a.type,fromAdaptation:!1}),c={},c[a.type]=d,"text"!=a.type&&(d=de(this.b).text,this.configure({abr:{enabled:!1}}),d&&(c.text=d)),bf(this,c,b))}}};V.prototype.selectTrack=V.prototype.Mc;V.prototype.gc=function(){return"showing"==this.m.mode};V.prototype.isTextTrackVisible=V.prototype.gc;
V.prototype.Oc=function(a){this.m.mode=a?"showing":"hidden";cf(this)};V.prototype.setTextTrackVisibility=V.prototype.Oc;
V.prototype.getStats=function(){df(this);var a={},b={},c=this.f&&this.f.getVideoPlaybackQuality?this.f.getVideoPlaybackQuality():{};this.b&&(b=de(this.b),a=b.video||{},b=b.audio||{});return{width:a.width||0,height:a.height||0,streamBandwidth:a.bandwidth+b.bandwidth||0,decodedFrames:Number(c.totalVideoFrames),droppedFrames:Number(c.droppedVideoFrames),estimatedBandwidth:this.a.abr.manager.getBandwidthEstimate(),playTime:this.ra,bufferingTime:this.K,switchHistory:this.B.slice(0)}};
V.prototype.getStats=V.prototype.getStats;
V.prototype.addTextTrack=function(a,b,c,d,e){if(!this.b)return Promise.reject();for(var f=ce(this.b),g,h=0;h<this.c.periods.length;h++)if(this.c.periods[h]==f){if(h==this.c.periods.length-1){if(g=this.c.presentationTimeline.ea()-f.startTime,Infinity==g)return Promise.reject()}else g=this.c.periods[h+1].startTime-f.startTime;break}var l={id:this.Ra++,createSegmentIndex:Promise.resolve.bind(Promise),findSegmentPosition:function(){return 1},getSegmentReference:function(b){return 1!=b?null:new J(1,0,
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V.prototype.addTextTrack=V.prototype.addTextTrack;V.prototype.gb=function(a,b){this.Ca.width=a;this.Ca.height=b};V.prototype.setMaxHardwareResolution=V.prototype.gb;
function Ue(a){a.v&&a.v.la(a.F,"sourceopen");a.f&&(a.f.removeAttribute("src"),a.f.load());var b=Promise.all([a.a?a.a.abr.manager.stop():null,a.g?a.g.o():null,a.C?a.C.o():null,a.i?a.i.o():null,a.b?a.b.o():null,a.l?a.l.stop():null]);a.g=null;a.C=null;a.i=null;a.b=null;a.l=null;a.c=null;a.pa=null;a.qa=null;a.F=null;a.s={};a.B=[];a.ra=0;a.K=0;return b}function af(a){return a.l?Ue(a).then(function(){this.A||(this.Nb(!1),this.qa=Te(this))}.bind(a)):Promise.resolve()}
function Ye(){return{".drm.servers":"",".drm.clearKeys":"",".drm.advanced":{distinctiveIdentifierRequired:!1,persistentStateRequired:!1,videoRobustness:"",audioRobustness:"",serverCertificate:null}}}
function Se(a){return{drm:{retryParameters:qc(),servers:{},clearKeys:{},advanced:{}},manifest:{retryParameters:qc(),dash:{customScheme:function(a){if(a)return null},clockSyncUri:""}},streaming:{retryParameters:qc(),rebufferingGoal:2,bufferingGoal:10,bufferBehind:30,ignoreTextStreamFailures:!1,useRelativeCueTimestamps:!1},abr:{manager:a.Ka,enabled:!0,defaultBandwidthEstimate:5E5},preferredAudioLanguage:"",preferredTextLanguage:"",restrictions:{minWidth:0,maxWidth:Infinity,minHeight:0,maxHeight:Infinity,
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function ef(a,b,c){if(!F(b).some(td))return a.ia(new v(4,4012)),{};var d={};if(c)["video","audio","text"].forEach(function(a){a in b&&(d[a]=b[a])});else{c=de(a.b);for(var e in c){var f=c[e];f.allowedByApplication&&f.allowedByKeySystem&&b[e].language==f.language||(d[e]=b[e])}}if(Na(d))return{};ha(Object.keys(d));var g=a.a.abr.manager.chooseStreams(d);return Pa(d,function(a){return!!g[a]})?g:(a.ia(new v(4,4012)),{})}
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k.Rb=function(){this.sa=!1;this.a.abr.enabled&&this.a.abr.manager.enable();for(var a in this.s){var b=this.s[a];fe(this.b,a,b.stream,b.Vb)}this.s={}};k.ib=function(a,b){var c=de(this.b),d;for(d in a){var e=a[d];c[d]!=e?this.B.push({timestamp:Date.now()/1E3,id:e.id,type:d,fromAdaptation:!0}):delete a[d]}if(!Na(a)&&this.b){for(d in a)fe(this.b,d,a[d],b||!1);Xe(this)}};function Xe(a){Promise.resolve().then(function(){this.A||this.dispatchEvent(new t("adaptation"))}.bind(a))}
function We(a){Promise.resolve().then(function(){this.A||this.dispatchEvent(new t("trackschanged"))}.bind(a))}function cf(a){a.dispatchEvent(new t("texttrackvisibility"))}k.ia=function(a){this.dispatchEvent(new t("error",{detail:a}))};k.Rc=function(a){this.dispatchEvent(a)};k.tc=function(){if(this.f.error){var a=this.f.error.code;if(1!=a){var b=this.f.error.msExtendedCode;b&&(0>b&&(b+=Math.pow(2,32)),b=b.toString(16));this.ia(new v(3,3016,a,b))}}};
k.Sc=function(a){var b=["output-restricted","internal-error"],c=ce(this.b),d=!1;c.streamSets.forEach(function(c){c.streams.forEach(function(c){var e=c.allowedByKeySystem;c.keyId&&c.keyId in a&&(c.allowedByKeySystem=0>b.indexOf(a[c.keyId]));e!=c.allowedByKeySystem&&(d=!0)})});$e(this,c);d&&We(this)};function W(a){this.a=new Ae;this.c=a;this.j=ff(this);this.g=null;this.v=!1;this.i=null;this.l=[];this.f=-1;this.m=0;this.b=null;this.h=new Ie(a.h,a.getConfiguration().streaming.retryParameters,this.j)}m("shaka.offline.Storage",W);function gf(){return!!window.indexedDB}W.support=gf;
W.prototype.o=function(){var a=this.l,b=this.a,c=this.h?this.h.o()["catch"](function(){}).then(function(){return Promise.all(a.map(function(a){return b.remove("segment",a)}))}).then(function(){return b.o()}):Promise.resolve();this.j=this.c=this.h=this.a=null;return c};W.prototype.destroy=W.prototype.o;W.prototype.configure=function(a){Re(this.j,a,ff(this),{},"")};W.prototype.configure=W.prototype.configure;
W.prototype.ad=function(a,b,c){function d(a){f=a}if(this.v)return Promise.reject(new v(9,9006));this.v=!0;var e,f=null;return hf(this).then(function(){Y(this);return jf(this,a,d,c)}.bind(this)).then(function(c){Y(this);this.b=c.manifest;this.g=c.Wb;if(this.b.presentationTimeline.S()||this.b.presentationTimeline.fa())throw new v(9,9005,a);this.b.periods.forEach(this.s.bind(this));this.f=this.a.b.manifest++;this.m=0;c=this.b.periods.map(this.A.bind(this));var d=this.g.b,f=Rc(this.g);if(d){if(!f.length)throw new v(9,
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W.prototype.remove=function(a){function b(a){6013!=a.code&&(e=a)}var c=a.offlineUri,d=/^offline:([0-9]+)$/.exec(c);if(!d)return Promise.reject(new v(9,9004,c));var e=null,f,g,h=Number(d[1]);return hf(this).then(function(){Y(this);return this.a.get("manifest",h)}.bind(this)).then(function(a){Y(this);if(!a)throw new v(9,9003,c);f=a;a=Ne(f);g=new Jc(this.c.h,b,function(){});g.configure(this.c.getConfiguration().drm);return g.init(a,!0)}.bind(this)).then(function(){return Oc(g,f.sessionIds)}.bind(this)).then(function(){return g.o()}.bind(this)).then(function(){Y(this);
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1);return this.a.remove("manifest",h)}.bind(this))};W.prototype.remove=W.prototype.remove;W.prototype.list=function(){var a=[];return hf(this).then(function(){Y(this);return this.a.forEach("manifest",function(b){a.push(He(b))})}.bind(this)).then(function(){return a})};W.prototype.list=W.prototype.list;
function jf(a,b,c,d){function e(){}var f=a.c.h,g=a.c.getConfiguration(),h,l,n;return vc(b,f,g.manifest.retryParameters,d).then(function(a){Y(this);n=new a;n.configure(g.manifest);return n.start(b,f,this.s.bind(this),c)}.bind(a)).then(function(a){Y(this);h=a;l=new Jc(f,c,e);l.configure(g.drm);return l.init(h,!0)}.bind(a)).then(function(){Y(this);return lf(h)}.bind(a)).then(function(){Y(this);return Nc(l)}.bind(a)).then(function(){Y(this);return n.stop()}.bind(a)).then(function(){Y(this);return{manifest:h,
Wb:l}}.bind(a))["catch"](function(a){if(n)return n.stop().then(function(){throw a;});throw a;})}
W.prototype.B=function(a){var b=[],c=a.filter(function(a){return"video"==a.type&&480>=a.height});c.sort(function(a,b){return b.bandwidth-a.bandwidth});c.length&&b.push(c[0]);for(var d=Ec(this.c.getConfiguration().preferredAudioLanguage),c=[0,Cc,Dc],e=a.filter(function(a){return"audio"==a.type}),c=c.map(function(a){return e.filter(function(b){b=Ec(b.language);return Bc(a,d,b)})}),f=e,g=0;g<c.length;g++)c[g].length&&(f=c[g]);f.sort(function(a,b){return a.bandwidth-b.bandwidth});f.length&&b.push(f[Math.floor(f.length/
2)]);var c=Ec(this.c.getConfiguration().preferredTextLanguage),h=Bc.bind(null,Dc,c);b.push.apply(b,a.filter(function(a){var b=Ec(a.language);return"text"==a.type&&h(b)}));return b};function ff(a){return{trackSelectionCallback:a.B.bind(a),progressCallback:function(a,c){if(a||c)return null}}}function hf(a){return a.a.a?Promise.resolve():a.a.init(Ge)}
W.prototype.s=function(a){function b(a,b,c){b=b.filter(function(a){return a.type==c});return 0==b.length?null:sd(a,b[0]).stream}var c={};this.i&&(c={video:b(this.b.periods[0],this.i,"video"),audio:b(this.b.periods[0],this.i,"audio")});pd(this.g,c,a);od(a,this.c.getConfiguration().restrictions,{width:Infinity,height:Infinity})};function kf(a){var b=a.g?a.g.o():Promise.resolve();a.g=null;a.b=null;a.v=!1;a.i=null;a.l=[];a.f=-1;return b}
function lf(a){a=a.periods.map(function(a){return a.streamSets}).reduce(B,[]).map(function(a){return a.streams}).reduce(B,[]);return Promise.all(a.map(function(a){return a.createSegmentIndex()}))}
W.prototype.A=function(a){var b=rd(a,null),b=this.j.trackSelectionCallback(b);this.i||(this.i=b,this.b.periods.forEach(this.s.bind(this)));for(var c=b.length-1;0<c;--c){for(var d=!1,e=c-1;0<=e;--e)if(b[c].type==b[e].type&&b[c].kind==b[e].kind&&b[c].language==b[e].language){d=!0;break}if(d)break}b=b.map(function(b){b=sd(a,b);return mf(this,a,b.bd,b.stream)}.bind(this));return{startTime:a.startTime,streams:b}};
function mf(a,b,c,d){for(var e=[],f=a.b.presentationTimeline.ta(),g=f,h=d.findSegmentPosition(f),l=null!=h?d.getSegmentReference(h):null;l;){var n=a.a.b.segment++;Je(a.h,c.type,l,(l.endTime-l.startTime)*d.bandwidth/8,function(a,b,c,d){b={key:a,data:d,manifestKey:this.f,streamNumber:c,segmentNumber:b};this.l.push(a);return Ee(this.a,"segment",b)}.bind(a,n,l.position,d.id));e.push({startTime:l.startTime,endTime:l.endTime,uri:"offline:"+a.f+"/"+d.id+"/"+n});g=l.endTime+b.startTime;l=d.getSegmentReference(++h)}a.m=
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function sf(a,b){this.keySystem=a;for(var c=!1,d=0;d<b.length;++d){var e=b[d],f={audioCapabilities:[],videoCapabilities:[],persistentState:"optional",distinctiveIdentifier:"optional",initDataTypes:e.initDataTypes,sessionTypes:["temporary"],label:e.label},g=!1;if(e.audioCapabilities)for(var h=0;h<e.audioCapabilities.length;++h){var l=e.audioCapabilities[h];if(l.contentType){var g=!0,n=l.contentType.split(";")[0];MSMediaKeys.isTypeSupported(this.keySystem,n)&&(f.audioCapabilities.push(l),c=!0)}}if(e.videoCapabilities)for(h=
0;h<e.videoCapabilities.length;++h)l=e.videoCapabilities[h],l.contentType&&(g=!0,n=l.contentType.split(";")[0],MSMediaKeys.isTypeSupported(this.keySystem,n)&&(f.videoCapabilities.push(l),c=!0));g||(c=MSMediaKeys.isTypeSupported(this.keySystem,"video/mp4"));"required"==e.persistentState&&(f.persistentState="required",f.sessionTypes=["persistent-license"]);if(c){this.a=f;return}}c=Error("Unsupported keySystem");c.name="NotSupportedError";c.code=DOMException.NOT_SUPPORTED_ERR;throw c;}
sf.prototype.createMediaKeys=function(){var a=new tf(this.keySystem);return Promise.resolve(a)};sf.prototype.getConfiguration=function(){return this.a};function uf(a){var b=this.mediaKeys;b&&b!=a&&vf(b,null);delete this.mediaKeys;return(this.mediaKeys=a)?vf(a,this):Promise.resolve()}function tf(a){this.a=new MSMediaKeys(a);this.b=new x}tf.prototype.createSession=function(a){if("temporary"!=(a||"temporary"))throw new TypeError("Session type "+a+" is unsupported on this platform.");return new wf(this.a)};
tf.prototype.setServerCertificate=function(){return Promise.reject(Error("setServerCertificate not supported on this platform."))};function vf(a,b){function c(){b.msSetMediaKeys(d.a);b.removeEventListener("loadedmetadata",c)}Ca(a.b);if(!b)return Promise.resolve();y(a.b,b,"msneedkey",xf);var d=a;try{return 1<=b.readyState?b.msSetMediaKeys(a.a):b.addEventListener("loadedmetadata",c),Promise.resolve()}catch(e){return Promise.reject(e)}}
function wf(a){p.call(this);this.c=null;this.g=a;this.b=this.a=null;this.f=new x;this.sessionId="";this.expiration=NaN;this.closed=new w;this.keyStatuses=new yf}ba(wf);k=wf.prototype;k.generateRequest=function(a,b){this.a=new w;try{this.c=this.g.createSession("video/mp4",new Uint8Array(b),null),y(this.f,this.c,"mskeymessage",this.pc.bind(this)),y(this.f,this.c,"mskeyadded",this.nc.bind(this)),y(this.f,this.c,"mskeyerror",this.oc.bind(this)),zf(this,"status-pending")}catch(c){this.a.reject(c)}return this.a};
k.load=function(){return Promise.reject(Error("MediaKeySession.load not yet supported"))};k.update=function(a){this.b=new w;try{this.c.update(new Uint8Array(a))}catch(b){this.b.reject(b)}return this.b};k.close=function(){try{this.c.close(),this.closed.resolve(),Ca(this.f)}catch(a){this.closed.reject(a)}return this.closed};k.remove=function(){return Promise.reject(Error("MediaKeySession.remove is only applicable for persistent licenses, which are not supported on this platform"))};
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